– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 pm Sat 11 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Sat 11 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Sat 11 Jul Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 4mm), mostly falling on Sat night. Warm (max 24°C on Mon afternoon, min 11°C on Sat night). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 3mm), mostly falling on Thu night. Warm (max 34°C on Thu afternoon, min 17°C on Tue night). Wind will be generally light. | ||||||||||||||||
Sat 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  | | | | | | | | | | |  | |
rain shwrs | rain shwrs | rain shwrs | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | risk tstorm | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 0.3 | 3 | 0.4 | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 |
max °C | 17 | 17 | 14 | 19 | 16 | 20 | 24 | 20 | 22 | 25 | 21 | 23 | 27 | 23 | 31 | 34 | 26 |
min °C | 17 | 11 | 11 | 17 | 12 | 16 | 23 | 15 | 18 | 24 | 17 | 20 | 26 | 21 | 26 | 32 | 18 |
chill °C | 17 | 11 | 11 | 17 | 12 | 16 | 23 | 15 | 18 | 24 | 17 | 20 | 26 | 21 | 26 | 32 | 18 |
Freezing level m | 2800 | 2500 | 2750 | 3100 | 3400 | 3650 | 3850 | 3900 | 4000 | 4150 | 4100 | 4150 | 4250 | 4400 | 4600 | 4750 | 4700 |
Cloud base (m) | 2000 | 900 | 750 | 7600 | 4700 | 5500 | 9100 | ||||||||||
 | — | — | 5:16 | — | — | 5:18 | — | — | 5:18 | — | — | 5:20 | — | — | 5:20 | — | — |
 | — | 9:08 | — | — | 9:07 | — | — | 9:07 | — | — | 9:07 | — | — | 9:06 | — | — | 9:05 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Light rain (total 4mm), mostly falling on Sat night. Warm (max 24°C on Mon afternoon, min 11°C on Sat night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 3mm), mostly falling on Thu night. Warm (max 34°C on Thu afternoon, min 17°C on Tue night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
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* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.